package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;
import java.util.Arrays;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     *
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex) {
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    /**
     * 捕获SQLIntegrityConstraintViolationException
     */

    @ExceptionHandler
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){

        log.error("异常信息：{}", ex.getMessage());

        String errorMessage = ex.getMessage();//获取异常信息

        //判断当前错误详细信息中是否包含 "Duplicate entry"
        if (errorMessage.contains("Duplicate entry")) {
            String[] split = errorMessage.split(" ");//split截取字符串函数
            System.out.println(Arrays.toString(split));
            //获取具体的用户姓名

            String name=split[2];
            //提示用户信息
            return Result.error(name+MessageConstant.ALREADY_EXiST);
        }

        return Result.error(MessageConstant.UNKNOWN_ERROR);
    }
}